moreON questions

moreON answers

• KeyCollection as IEnumerable produces inconsistent LINQ behavior
• Reduce binary string to an empty string by removing subsequences with alternative characters
• PHP - limit 10 offset 1 if rows are greater than 20
• Parallel.ForEach Doesn't Like IList
• Quicksort returning unsorted array
• Specify implement interface on derived class when base class implements it abtract